{
  "bibcode": "2006GCN..4436....1Y",
  "body": "K. Yanagisawa (OAO/NAOJ), Y. Yatsu, and N. Kawai (Tokyo Tech) report\non behalf of the Mitsume collaboration: \n\n\"We have observed the field of GRB 060105 (Ziaeepour et al. GCN 4429)\nwith the three-color Mitsume 50 cm telescopes at Okayama and Akeno,\nJapan starting at 9:14 UT (2.4 hours after the burst).  \nThe summary of the observations is following:\n\nTelescope      bands      time (UT)          exposure\n---------   ----------   ----------------   ------------\nOkayama     g', Rc, Ic   09:14 - 09:41 UT    60 s x 20 \nAkeno       V,  Rc, Ic   09:32 - 11:20 UT    30 s x 158\n---------   ----------   ----------------   ------------\n\nComparison with the DSS-2R image does not reveal an OT at the position\nof the XRT error circle.\nThe 10-sigma upper limit magnitudes for the Okayama images are \n\n g': 17.1\n Rc: 17.3\n Ic: 17.5\n\nThe images obtained at Okayama can be viewed at \nhttp://bragi.oao.nao.ac.jp/support/telescope/grb50/images/GRB060105A.pdf.\"",
  "circularId": 4436,
  "createdOn": 1136496831000,
  "email": "nkawai@hp.phys.titech.ac.jp",
  "subject": "GRB 060105: Mitsume optical observations",
  "submitter": "Nobuyuki Kawai at Tokyo Tech  <nkawai@hp.phys.titech.ac.jp>",
  "eventId": "GRB 060105"
}